text: from __future__ import print_function
  
  import sys
  from pycparser import c_parser, c_generator, c_ast, parse_file
  
  
  if __name__ == "__main__":
      parser = c_parser.CParser()
      code = r'''
      const int ci;
      const int* pci;
      int* const pci;
      _Atomic(int) ai;
      _Atomic(int*) pai;
      _Atomic(_Atomic(int)*) ppai;
      '''
  
      print(code)
      ast = parser.parse(code, debug=False)
      ast.show(attrnames=True, nodenames=True)
      #print(ast.ext[0].__slots__)
      #print(dir(ast.ext[0]))
  
      #print("==== From C generator:")
      #generator = c_generator.CGenerator()
      #print(generator.visit(ast))
  